Suppose average study hours of students passing Statistics Lecture was 75 hours and standard deviation was 25 hours. What is the probability that a participant selected at random will require more than 75 hours to complete the program? What is the probability that a student selected at random will take between 75 and 90 hours to pass the lecture? What is the probability that a student selected at random will take more than 90 hours to pass the lecture?
Suppose average study hours of students passing Statistics Lecture was 75 hours and standard deviation was 25 hours. What is the probability that a participant selected at random will require more than 75 hours to complete the program? What is the probability that a student selected at random will take between 75 and 90 hours to pass the lecture? What is the probability that a student selected at random will take more than 90 hours to pass the lecture?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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- Suppose average study hours of students passing Statistics Lecture was 75 hours and standard deviation was 25 hours.
- What is the probability that a participant selected at random will require more than 75 hours to complete the program?
- What is the probability that a student selected at random will take between 75 and 90 hours to pass the lecture?
- What is the probability that a student selected at random will take more than 90 hours to pass the lecture?
- What is the probability that a student selected at random will take hours between 80 and 90 hours to pass the lecture?
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